.el-drag{
    transition: .5s ease;
    list-style: none;
    min-height: 30px;
    border: 1px solid #000;
}

.el-drag li{
    user-select: none;
    cursor: move;
}

.el-dragging-bg{
    background-color: #dddddd;
    opacity: .4;
}

.card{
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: #dddddd;
}